Project-Mason High School THERMastic 80 Roofing Replacements.pdf

Mason Consolidated Schools Date of Issue (08/13/2026)

Mason High School

Mason High School THERMastic 80 Roofing Replacements

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TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

011000 Summary

012200 Unit Prices

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

070150.19 Preparation for Re-Roofing

075113.11 Built-Up Asphalt Roofing, Hot-Applied

075416 Ketone Ethylene Ester (KEE) Roofing

076200.02 Sheet Metal Flashing and Trim (Short Form)

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COPYRIGHT

COPYRIGHT: 2020 by The American Institute of Architects (AIA). Exclusively published and distributed by

Deltek, Inc., for the AIA. Tremco modifications were made with permission and Tremco CPG Inc. reserves all rights thereto.

DESIGN PROFESSIONAL: The attached PRODUCT MASTERSPEC section(s) are licensed by Deltek, Inc., for limited distribution by Tremco CPG Inc. and are prepared as a courtesy for use by design professional of record on a single project. Review and accept changes and modify according to project requirements and design profes-sional's practice, who assumes responsibility for document contents consistent with licensing statutes of the Pro-ject state.

FACILITY OWNER: The attached PRODUCT MASTERSPEC section(s) are licensed by Deltek, Inc., for lim-ited distribution by Tremco CPG Inc. and are prepared as a courtesy for use by facility owner on a single project.

For more information about Tremco roofing products, contact Tremco Roofing and Building Maintenance Divi-sion, Beachwood, OH 44122, (800) 562 - 2728, Web address: www.tremcoroofing.com http://www.tremcoroofing.com/

011000 - Page 1 of 4

SUMMARY

SECTION 011000 - SUMMARY

GENERAL

1.1 SUMMARY

A. Section Includes:

Project information.

2. Work covered by Contract Documents.

3. Access to site.

4. Coordination with occupants.

5. Work restrictions.

6. Specification and drawing conventions.

1.2 PROJECT INFORMATION

A. Facility Owner Information:

Owner Name: Mason Consolidated Schools.

Roofing Advisor:

Roofing System Manufacturer's Representative: Luke Idoni; Field Advisor;;(810) 280-5194;

Lidoni@tremcoinc.com.

Direct technical questions to Roofing Advisor.

a. Where individual specification sections refer to Owner, Owner may elect to delegate submittal and response responsibilities to Roofing Advisor.

B. Facility Information:

1. Building Name: Mason High School.

2. Building Location: 2400 Mason Eagle Drive, Erie, MI 48133.

C. Project Information:

Project Name: Mason High School THERMastic 80 and KEE Roofing Replacements.

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1.3 WORK COVERED BY CONTRACT DOCUMENTS

The Work of Project is defined by the Contract Documents and consists of the following:

1. Roof Area(s) / Section(s): 1, 7, 8, 10, 11, 12, and 13.

Total Area of Roof(s): 73,445 sq. ft.

Slope of Existing Roof: 1/8 inch per 12 inches.

The Work of the Project includes:

1) Re-roofing preparation specified in Division 07 Section "Preparation for Re-

Roofing."

2) Replacement roofing specified in Division 07 Section 075113.11 - Built-Up

Asphalt Roofing, Hot-Applied.

2. Roof Area(s) / Section(s): 14 and 15.

Area of Roof(s): 14,100 sq. ft.

Slope of Existing Roof: 2 inches per ft.

The Work of the Project includes:

1) Re-roofing preparation specified in Division 07 Section "Preparation for Re-

Roofing."

2) Replacement roofing specified in Division 07 Section 075416 - Ketone

Ethylene Ester (KEE) Roofing.

B. Type of Contract:

1. Project will be constructed under a single prime contract.

1.4 ACCESS TO SITE

A. Use of Site, Limited: Contractor shall have limited use of Project site for construction operations as indicated on Drawings by the Contract limits and as indicated by requirements of this Section.

1. Use of Site: Limit use of Project site to work in areas indicated and as directed by Owner.

Do not disturb portions of Project site beyond areas in which the Work is indicated, including designated lay-down areas.

2. Driveways, Walkways and Entrances: Keep driveways, facility loading areas, and entrances serving premises clear and available to Owner, Owner's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

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a. Schedule deliveries to minimize use of driveways and entrances by construction operations.

b. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

Condition of Existing Building: Maintain portions of existing building affected by construction operations in a weathertight condition throughout construction period. Repair damage caused by construction operations.

1.5 COORDINATION WITH OCCUPANTS

A. Owner Occupancy: Owner will occupy site including existing and adjacent building(s) during entire construction period. Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage. Perform the Work so as not to interfere with Owner's day-to-day operations. Maintain existing exits unless otherwise indicated.

1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from Owner and approval of authorities having jurisdiction.

2. Notify Owner not less than 72 hours in advance of activities that will affect Owner's operations.

1.6 WORK RESTRICTIONS

A. Work Restrictions, General: Comply with restrictions on construction operations.

1. Comply with limitations on use of public streets and with other requirements of authorities having jurisdiction.

On-Site Work Hours: Limit work in the existing building to normal business working hours of 7:00 a.m. to

5:00 p.m., Monday through Friday, unless otherwise indicated or approved by Owner.

Weekend Hours: As authorized by Owner.

2. Early Morning Hours: As authorized by Owner.

3. Hours for Utility or Services Shutdowns: As authorized by Owner.

4. Hours for noisy or disruptive activity: As authorized by Owner.

Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after providing temporary utility services according to requirements indicated:

1. Notify Owner not less than two days in advance of proposed utility interruptions.

Noise, Vibration, and Odors: Coordinate operations that may result in high levels of noise and vibration, odors, or other disruption to Owner occupancy with Owner.

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1. Notify Owner not less than two days in advance of proposed disruptive operations.

2. Obtain Owner's written permission before proceeding with disruptive operations.

Nonsmoking Project: Use of tobacco products on the Project site is not permitted.

F. Controlled Substances: Use of other controlled substances on the Project site is not permitted.

Employee Identification: Provideidentification tags for Contractor personnel working on Project site.

Require personnel to use identification tags at all times.

H. Employee Screening: Comply with Owner's requirements for drug and background screening of

Contractor personnel working on Project site.

1. Maintain list of approved screened personnel with Owner's representative.

1.7 SPECIFICATION AND DRAWING CONVENTIONS

Specification Content: The Specifications use certain conventions for the style of language and the intended meaning of certain terms, words, and phrases when used in particular situations. These conventions are as follows:

1. Imperative mood and streamlined language are generally used in the Specifications. The words "shall," "shall be," or "shall comply with," depending on the context, are implied where a colon (:) is used within a sentence or phrase.

2. Specification requirements are to be performed by Contractor unless specifically stated otherwise.

B. Division 01 General Requirements: Requirements of Sections in Division 01 apply to the Work of all Sections in the Specifications.

C. Drawing Coordination: Requirements for materials and products identified on Drawings are described in detail in the Specifications. One or more of the following are used on Drawings to identify materials and products:

1. Terminology: Materials and products are identified by the typical generic terms used in the individual Specifications Sections.

2. Abbreviations: Materials and products are identified by abbreviations scheduled on

Drawings.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 011000

012200 - Page 1 of 2

UNIT PRICES

SECTION 012200 - UNIT PRICES

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes administrative and procedural requirements for unit prices.

B. Related Requirements:

1.2 DEFINITIONS

Unit price is an amount incorporated in the Agreement, applicable during the duration of the Work as a price per unit of measurement for materials, equipment, or services, or a portion of the Work, added to or deducted from the Contract Sum by appropriate modification, if the scope of Work or estimated quantities of Work required by the Contract Documents are increased or decreased.

1.3 PROCEDURES

A. Unit prices include all necessary material, plus cost for delivery, installation, insurance, applicable taxes, overhead, and profit.

B. Measurement and Payment: See individual Specification Sections for work that requires establishment of unit prices. Methods of measurement and payment for unit prices are specified in those Sections.

C. Owner reserves the right to reject Contractor's measurement of work-in-place that involves use of established unit prices and to have this work measured, at Owner's expense, by an independent surveyor acceptable to Contractor.

D. List of Unit Prices: A schedule of unit prices is included in Part 3. Specification Sections referenced in the schedule contain requirements for materials described under each unit price.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 SCHEDULE OF UNIT PRICES

Unit Price No. 1: Deck material replacement:

1. Description: Remove existing deck material and replace with new material according to

Division 07 Section "Preparation for Re-roofing".

2. Unit of Measurement: 1 sq. ft.

B. Unit Price No. 5: Existing wood nailer replacement

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UNIT PRICES

1. Description: Provide new pressure-treated wood nailers according to Division 06 Section

"Miscellaneous Rough Carpentry."

2. Unit of Measurement: 1 lineal ft of 2x4-inch lumber.

END OF SECTION 012200

070150.19 - Page 1 of 12

PREPARATION FOR RE-ROOFING

SECTION 070150.19 - PREPARATION FOR RE-ROOFING

1.1 SUMMARY

A. Section Includes:

Roof replacement preparation consisting of full roof tear-off of roof system at designated roof areas.

2. Removal of flashings and counterflashings.

3. Temporary roofing.

4. Temporary roof drainage.

5. Removal and reinstallation of indicated components, accessories, and equipment.

Related Information:

1. Division 01 Section "Summary" for use of the premises and phasing requirements, and for restrictions on use of the premises due to Owner or tenant occupancy.

2. Division 07 Section "Sheet Metal Flashing and Trim" for formed metal roof flashings and counterflashings.

1.2 DESCRIPTION OF WORK

Re-roofing preparation Work consists of the following:

1. Preparation for Roof replacement:

a. Roof Area(s): 1, 7, 8, 10, 11, 12, and 13.

b. Existing Roof Type: Aggregate surfaced BUR.

c. Existing Deck Type: Metal deck.

d. Roof tear-off.

e. Salvaging of non-hazardous demolition and construction waste.

f. Roof ply reinforcement.

g. Uplift securement.

h. Removal of base flashings.

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i. Temporary roof membrane.

2. Preparation for Roof replacement:

a. Roof Area(s): 14 and 15.

b. Existing Roof Type: Granular surfaced modified bituminous.

c. Existing Deck Type: Concrete deck.

d. Roof tear-off.

e. Salvaging of non-hazardous demolition and construction waste.

f. Roof ply reinforcement.

g. Uplift securement.

h. Removal of base flashings.

i. Temporary roof membrane.

1.3 MATERIALS OWNERSHIP

Except for items or materials indicated to be reused, reinstalled, or otherwise indicated to remain Owner's property, demolished materials shall become Contractor's property and shall be removed from Project site.

1.4 DEFINITIONS

A. Roofing Terminology: Refer to ASTM D1079 "Standard Terminology Relating to Roofing and

Waterproofing" and applicable edition of NRCA's "The NRCA Roofing Manual: Membrane Roof

Systems" and NRCA’s Glossary for definition of terms related to roofing work in this Section.

Existing Roofing System: Roofing system identified above, including roof covering/membrane, roof insulation, surfacing, and components and accessories between deck and roof covering/membrane.

C. Full Roof Tear-Off: Removal of existing membrane roofing system from deck.

D. Remove: Detach items from existing construction and legally dispose of them off-site unless indicated to be removed and reinstalled.

E. Construction Waste: Building and site improvement materials and other solid waste resulting from construction, remodeling, renovation, or repair operations. Construction waste includes packaging.

F. Demolition Waste: Building and site improvement materials resulting from demolition or selective demolition operations.

G. Disposal: Removal off-site of demolition and construction waste and subsequent sale, recycling, reuse, or deposit in landfill or incinerator acceptable to authorities having jurisdiction.

070150.19 - Page 3 of 12

1.5 PREINSTALLATION MEETINGS

Preliminary Roofing Conference: Before starting removal Work, conduct conference at Project site.

1. Coordinate with roofing preinstallation meetings specified in Division 07 roofing section(s).

2. Review methods and procedures related to roofing tear-off, including, but not limited to, the following:

Reroofing preparation, including roofing system manufacturer's written instructions.

b. Temporary protection requirements for existing roofing system components that are to remain.

c. Existing roof drains and roof drainage during each stage of reroofing, and roof-drain plugging and plug removal.

d. Construction schedule and availability of materials, Installer's personnel, equipment, and facilities needed to avoid delays.

e. Existing roof deck conditions and other conditions requiring Owner notification.

f. Existing roof deck removal procedures and Owner notifications.

g. Condition and acceptance of existing roof deck and base flashing substrate for reuse.

h. Structural loading limitations of roof deck during reroofing.

i. Base flashings, special roofing details, drainage, penetrations, equipment curbs, and condition of other construction that affect reroofing.

j. HVAC shutdown and sealing of air intakes.

k. Shutdown of fire-suppression, -protection, and -alarm and -detection systems.

l. Governing regulations and requirements for insurance and certificates if applicable.

1.6 ACTION SUBMITTALS

Product Data: For each type of product indicated.

1.7 INFORMATIONAL SUBMITTALS

A. Digital Images or Videos: Show existing conditions of adjoining construction and site improvements, including exterior and interior finish surfaces, which might be misconstrued as having been damaged by reroofing operations. Submit before Work begins.

Schedule of Re-Roofing Preparation Activities: Indicate the following:

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1. Detailed sequence of re-roofing preparation work, with starting and ending dates for each activity. Ensure occupants' on-site operations are uninterrupted.

2. Interruption of utility services. Indicate how long utility services will be interrupted.

3. Coordination for shutoff, capping, and continuation of utility services.

4. Use of elevator and stairs.

5. Coordination of Owner's continuing occupancy of portions of existing building.

Landfill Records: Indicate receipt and acceptance of hazardous wastes, such as asbestos-containing material, by a landfill facility licensed to accept hazardous wastes.

1.8 QUALITY ASSURANCE

A. Installer Qualifications: Installer of new membrane roofing system.

B. Regulatory Requirements:

1. Comply with governing EPA notification regulations before beginning membrane roofing removal.

2. Comply with hauling and disposal regulations of authorities having jurisdiction.

1.9 PROJECT / FIELD CONDITIONS

Owner will occupy portions of building immediately below reroofing area.

1. Conduct reroofing so Owner's operations will not be disrupted.

2. Provide Owner with not less than 72 hours' written notice of activities that may affect

Owner's operations.

3. Coordinate work activities daily with Owner so Owner can place protective dust or water leakage covers over sensitive equipment or furnishings, shut down HVAC and fire-alarm or -detection equipment if needed, and evacuate occupants from below the work area.

Before working over structurally impaired areas of deck, notify Owner to evacuate occupants from below the affected area.

a. Verify that occupants below the work area have been evacuated before proceeding with work over the impaired deck area.

B. Protect building to be reroofed, adjacent buildings, walkways, site improvements, exterior plantings, and landscaping from damage or soiling from reroofing operations.

C. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities.

Conditions existing at time of inspection for bidding will be maintained by Owner as far as practical.

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Limit construction loads on roof to rooftop equipment wheel loads and uniformly distributed loads not exceeding recommendations of Contractor's professional engineer based upon site inspection and analysis.

F. Weather Limitations: Proceed with reroofing preparation only when existing and forecasted weather conditions permit Work to proceed without water entering existing roofing system or building.

1. Remove only as much roofing in one day as can be made watertight in the same day.

G. Daily Protection: Coordinate installation of roofing so insulation and other components of roofing system not permanently exposed are not subjected to precipitation or left uncovered at the end of the workday or when rain is forecast.

Hazardous Materials: It is not expected that hazardous materials such as asbestos-containing materials will be encountered in the Work.

If materials suspected of containing hazardous materials are encountered, do not disturb; immediately notify

Owner.

Hazardous materials will be removed by Owner under a separate contract.

b. Obtain direction from Owner before proceeding with work in the affected area.

PART 2 - PRODUCTS

2.1 TEMPORARY PROTECTION MATERIALS

EPS Insulation: Molded (expanded) polystyrene, ASTM C578.

B. Plywood: NIST DOC PS 1, Grade CD, Exposure 1.

C. Oriented Strand Board (OSB): NIST DOC PS 2, Exposure 1.

DECK REPAIR/REPLACEMENT MATERIALS

A. Metal Deck Repair Materials:

1. Roof Deck: Fabricate panels, without top-flange stiffening grooves, to comply with "SDI

Specifications and Commentary for Steel Roof Deck," in SDI Publication No. 31, and with the following:

a. Gage, rib depth, rib configuration to match existing; three span; lapped and stitched joints.

b. Sheet Steel: ASTM A653/A653M, Grade A structural quality; with G90 coating

(galvanized).

2. Fasteners:

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a. Mechanical Fasteners: Corrosion-resistant, low-velocity, power-actuated or pneumatically driven carbon-steel fasteners; or self-drilling, self-threading screws.

b. Side-Lap Fasteners: Corrosion-resistant, hexagonal washer head; self-drilling, carbon-steel screws, No. 10 (4.8 mm) minimum diameter.

3. Accessories: Provide manufacturer's standard accessory materials for deck that comply with requirements indicated.

B. Concrete Deck Repair Materials:

1. Bonding Agent: Epoxy-modified, cementitious bonding and anticorrosion agent consisting of water-insensitive epoxy adhesive, Portland cement, and water-based solution of corrosion-inhibiting chemicals that forms a protective film on steel reinforcement.

2. Patching Mortar: Trowelable cementitious repair mortar for vertical and overhead, repairs up to 2 inches (50 mm) per lift, one component, fiber reinforced, polymer modified repair mortar containing corrosion inhibitor.

a. Compressive Strength: Not less than 6,000 psi (41,400 kPa) at 28 days when tested according to ASTM C 109/C 109M, modified 2-inch (50-mm) cubes.

2.3 ROOFING INFILL, PATCHING AND REPLACEMENT MATERIALS

A. General: Use roofing infill materials matching existing membrane roofing system materials unless otherwise indicated.

Use materials specified in Division 07 roofing, unless otherwise indicated.

Wood Blocking, Curbs, Cants and Nailers:

1. Reuse existing wood components that exhibit no signs of deterioration or other conditions detrimental to securement of new roofing system in conformance with specified requirements.

2.4 TEMPORARY ROOFING MATERIALS

A. Design and selection of materials for temporary roofing are responsibilities of Contractor.

2.5 TEMPORARY ROOF DRAINAGE

A. Design and selection of materials for temporary roof drainage are responsibilities of the

Contractor.

2.6 AUXILIARY RE-ROOFING MATERIALS

A. General: Auxiliary reroofing preparation materials recommended by roofing system manufacturer for intended use and compatible with components of new membrane roofing system.

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B. Fasteners: Factory-coated steel fasteners with metal or plastic plates listed in FM Approvals'

RoofNav, and acceptable to new roofing system manufacturer.

Metal Flashing Sheet: Metal flashing sheet is specified in Division 07 Section "Sheet Metal Flashing and

Trim."

PART 3 - EXECUTION

3.1 PREPARATION, GENERAL

Protection of In-Place Conditions: Protect existing roofing system that is indicated not to be reroofed.

Protect existing roofing system that is indicated not to be reroofed.

Loosely lay 1 inch (25 mm) minimum thick, molded expanded polystyrene (EPS) insulation over the roofing membrane in areas indicated.

a. Loosely lay 15/32-inch (12-mm) plywood or OSB panels over EPS. Extend EPS past edges of plywood or OSB panels a minimum of 1 inch (25 mm).

3. Limit traffic and material storage to areas of existing roofing membrane that have been protected.

4. Maintain temporary protection and leave in place until replacement roofing has been completed. Remove temporary protection on completion of reroofing.

Comply with requirements of existing roof system manufacturer's warranty requirements.

B. Seal or isolate windows that may be exposed to airborne substances created in removal of existing materials.

C. Shut off rooftop utilities and service piping before beginning the Work.

Test existing roof drains to verify that they are not blocked or restricted.

1. Immediately notify Owner of any blockages or restrictions.

Coordinate with Owner to shut down air-intake equipment in the vicinity of the Work.

1. Cover air-intake louvers before proceeding with reroofing work that could affect indoor air quality or activate smoke detectors in the ductwork.

F. Pollution Control: Comply with environmental regulations of authorities having jurisdiction.

Limit spread of dust and debris.

1. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

2. Remove debris from building roof by chute, hoist, or other device that will convey debris to grade level.

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G. Temporary Weather Protection: During removal operations, have sufficient and suitable materials on-site to facilitate rapid installation of temporary protection in the event of unexpected rain.

H. Roof Drainage Protection: Maintain roof drainage in functioning condition to ensure roof drainage at end of each workday.

1. Prevent debris from entering or blocking roof drainage and conductors.

a. Use plugs specifically designed for this purpose.

b. Remove plugs at end of each workday, when no work is taking place, or when rain is forecast.

2. If roof drainage components are temporarily blocked or unserviceable due to roofing system removal or partial installation of new membrane roofing system, provide alternative drainage method to remove water and eliminate ponding.

a. Do not permit water to enter into or under existing membrane roofing system components that are to remain.

3.2 ROOF TEAR-OFF

Notify Owner each day of extent of roof tear-off proposed for that day.

B. Lower removed roofing materials to ground and onto lower roof levels, using dust-tight chutes or other acceptable means of removing materials from roof areas.

Remove loose aggregate from aggregate-surfaced built-up bituminous roofing using a dry vacuum.

D. Remove walkways, pavers and accessories from roofing membrane.

E. Roof Drainage: Remove roof drainage items indicated for removal.

F. Remove Flashings: Remove roof flashings indicated for removal.

Remove base flashings and counter flashings.

2. Remove perimeter edge flashings and gravel stops.

3. Remove copings.

4. Remove expansion-joint covers.

5. Remove flashings at pipes, curbs, mechanical equipment, and other penetrations.

G. Full Roof Tear-Off: Remove existing roofing membrane and other membrane roofing system components down to the deck.

1. Remove cover boards and roof insulation.

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Bitumen and felts that are firmly bonded to concrete decks are permitted to remain if felts are dry. Remove unadhered bitumen and felts and wet felts.

3. Remove excess asphalt from steel deck. A maximum of 15 lb/100 sq. ft. (0.72 kg/m2) of asphalt is permitted to remain on steel decks.

4. Remove fasteners from deck.

Roof Edge Specialties: Replace existing perimeter metal systems with new perimeter metal systems.

1. New perimeter metal systems (fascia and coping) are specified in Division 07 Section

"Sheet Metal Flashing and Trim."

I. Inspect wood blocking, curbs, and nailers for deterioration and damage.

1. Remove deteriorated or unsuitable wood blocking, curbs, and nailers.

2. Replace existing wood components that exhibit signs of deterioration or other conditions detrimental to securement of roofing system components, including roof edge flashings.

3. Reuse of Existing Wood Nailers: Permitted where type, size and securement are in accordance with ANSI/SPRI/FM 4435 ES-1; and existing wood nailers exhibit no signs of deterioration or other conditions detrimental to securement of new roofing system in conformance with specified requirements.

3.3 DECK PREPARATION

Inspect deck after tear-off of membrane roofing system.

B. Verify that deck is sound and dry.

C. If broken or loose fasteners that secure deck panels to one another or to structure are observed or if deck appears or feels inadequately attached, immediately notify Owner. Do not proceed with installation until directed by Owner.

D. Unsuitable Deck: If deck surface is not suitable for receiving new roofing or if structural integrity of deck is suspect, immediately notify Owner.

1. Do not proceed with installation until directed by Owner.

DECK REPAIR/REPLACEMENT

A. Repair existing deck to provide smooth working surface for installation of roof system.

1. Replace deck that cannot be repaired to sound condition.

B. Metal Deck Reattachment:

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1. Mechanically reattach loose sections of deck to steel support members 12 inches (300 mm) on center (at every other rib) and 6 inches (150 mm) on center (at every rib) in roof corner and roof perimeter areas.

2. Side Laps: Mechanically fasten 18 inches (450 mm) on center.

3. Mechanically fasten steel deck to supporting member at each deck side lap, regardless of spacing.

4. Overlap steel deck end laps minimum 2 inches (50 mm); mechanically attach at the above listed factors.

C. Metal Deck Replacement:

1. Remove defective metal decking and examine supports; if supports are unsound, notify

Owner and obtain direction before proceeding with deck replacement.

2. Install new metal decking in accordance with SDI, Design Manual for Composite Decks, Form Decks, Roof Decks

D. Concrete Deck Repair:

1. Remove spalled or deteriorated deck areas until sound base is reached.

2. Apply bonding agent and install patching mortar in accordance with manufacturer's instructions.

3. Allow patching mortar to fully set.

3.5 EQUIPMENT REMOVAL AND REINSTALLATION

A. General: Remove, store, protect and reinstall rooftop equipment as required to accommodate roof tear-off and subsequent roofing work.

1. Raise roof curbs, equipment mountings and other roof penetration flashings as required to accommodate additional insulation thickness and maintain base flashing height of not less than 8 inches (200 mm), unless otherwise indicated.

a. Provide wood assemblies and additional support with miscellaneous galvanized steel angles, as required to rebuild or raise existing roof curbs.

b. Extend vent and soil stacks and other roof penetrations, using matching materials, as required to accommodate additional insulation thickness.

2. Extend existing ductwork inside existing roof curbs to accommodate extension of curb.

a. Use materials matching existing ductwork; minimum of 20 ga. (0.9 mm) galvanized duct with Pittsburgh folded seam slip joints-typical.

070150.19 - Page 11 of 12

B. Rooftop Equipment, Electrical: Engage a qualified electrician to perform electrical disconnection and reconnection.

1. Disconnect, reroute, extend and reconnect existing power feeders and control circuits

(conduit and wiring) feeding the existing roof mounted equipment which is indicated to be raised and/or relocated to a new elevation/location and as required by the Contract.

2. Provide weatherproof exterior junction boxes, when required.

3. Make connections to mechanical equipment by using a maximum 18-inch (450 mm) length of liquid-tight flexible steel conduit.

a. Rigid connections to mechanical equipment are not permitted.

4. Relocate and reconnect existing disconnect switches presently installed on existing roof mounted equipment indicated to be raised and/or relocated.

C. Reinstall designated equipment.

1. Make electrical reconnections in accordance with applicable code and authorities having jurisdiction.

2. Recharge HVAC equipment with refrigerant required by equipment manufacturer.

3. Coordinate with Owner to test equipment and verify proper operation.

3.6 TEMPORARY ROOFING MEMBRANE

Install approved temporary roofing membrane over area to be reroofed.

B. Remove temporary roofing membrane before installing new roofing membrane.

3.7 BASE FLASHING REMOVAL

A. Remove existing base flashings around parapets, curbs, walls, and penetrations.

1. Clean substrates of contaminants, such as asphalt, sheet materials, dirt, and debris.

B. Do not damage metal counterflashings that are to remain.

1. Replace metal counterflashings damaged during removal with counterflashings specified in Division 07 Section "Sheet Metal Flashing and Trim."

3.8 DISPOSAL

A. Collect demolished materials and place in containers. Promptly dispose of demolished materials.

Do not allow demolished materials to accumulate on-site.

1. Storage or sale of demolished items or materials on-site is not permitted.

070150.19 - Page 12 of 12

B. Transport and legally dispose of demolished materials off Owner's property.

3.9 CLEANING

A. Clean adjacent structures and improvements of dust, dirt, and debris caused by preparation for re-roofing operations. Return adjacent areas to condition existing before operations began.

END OF SECTION 070150.19

075113.11 - Page 1 of 20

BUILT-UP ASPHALT ROOFING, HOT-APPLIED

SECTION 075113.11 - BUILT-UP ASPHALT ROOFING, HOT-APPLIED

1.1 SUMMARY

A. Section Includes:

Hot-applied three-ply built-up asphalt roofing system on metal deck, including but not limited to:

a. Roof insulation.

b. Roof insulation cover board.

Roof membrane base-ply sheet.

d. Roof membrane ply sheet(s).

e. Roofing membrane cap sheet.

f. Base flashings.

Roof surfacing consisting of stone aggregate.

h. Walkway material.

Related Sections:

1. Division 07 Section "Preparation for Re-Roofing" for removal of existing roofing;

inspection, repair and replacement of existing deck/substrate, if required to receive new roofing.

2. Division 07 Section "Sheet Metal Flashing and Trim" for shop- formed sheet metal items including roof drainage system items, roof penetration flashings, roof drainage systems, counterflashings and reglets.

1.2 DEFINITIONS

A. Roofing Terminology: Refer to ASTM D1079 "Standard Terminology Relating to Roofing and

Waterproofing" and NRCA's Glossary for definition of terms related to roofing work in this

Section.

Hot Roofing Asphalt: Roofing asphalt heated to its equiviscous temperature, the temperature at which its viscosity is 125 centipoise for mop-applied roofing asphalt and 75 centipoise for mechanical spreader-applied roofing asphalt, within a range of plus or minus 25 deg. F (14 deg. C), measured at the mop cart or mechanical spreader immediately before application.

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1.3 PREINSTALLATION MEETINGS

Preinstallation Roofing Conference: Conduct conference at Project site.

1. Meet with Owner, Owner's insurer if applicable,, roofing Installer, roofing system manufacturer's representative, and installers whose work interfaces with or affects roofing, including installers of roof accessories and roof-mounted equipment.

2. Review drawings and specifications.

3. Review methods and procedures related to roofing installation, including manufacturer's written instructions.

4. Review and finalize construction schedule and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.

5. Examine substrate conditions and finishes for compliance with requirements, including flatness and fastening.

6. Review structural loading limitations of roof deck during and after roofing.

7. Review base flashings, special roofing details, roof drainage, roof penetrations, equipment curbs, and condition of other construction that will affect roofing system.

8. Review temporary protection requirements for roofing system during and after installation.

9. Review roof observation and repair procedures after roofing installation.

1.4 ACTION SUBMITTALS

Product Data: For each type of product indicated.

B. Shop Drawings: For roofing system. Include plans, elevations, sections, details, and attachments to other work.

1. Provide roof plan showing orientation and types of roof deck, orientation of membrane roofing, and fastening spacings and patterns for mechanically fastened components.

2. Base flashings and membrane terminations.

a. Indicate that details meet requirements of NRCA and FM required by this Section.

Layout and thickness of insulation.

4. Tapered insulation layout, including slopes.

5. Crickets, saddles, and tapered edge strips, including slopes.

6. Insulation fastening patterns for corner, perimeter, and field-of-roof locations.

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7. Membrane securement, fastening or adhesion requirements.

1.5 INFORMATIONAL SUBMITTALS

Qualification Statements: For Installer.

1. Include letter from Manufacturer written for this Project indicating approval of Installer.

B. Contractor's Product Certificate: Submit signed certification, on company letterhead, indicating products intended for Work of this Section, including product names and numbers and manufacturers' names, with statement indicating that products to be provided meet the requirements of the Contract Documents.

Manufacturer's Instructions: Submit copy of manufacturer's written installation instructions for specified roofing system.

1.6 CLOSEOUT SUBMITTALS

A. Maintenance Data: To include in maintenance manuals.

B. Warranties: Executed copies of warranties.

1.7 QUALITY ASSURANCE

A. Installer Qualifications: An employer of workers trained and certified by manufacturer, including a full-time on-site supervisor with a minimum of five years' experience installing products comparable to those specified, able to communicate verbally with Contractor,, and employees, and qualified by the roofing system manufacturer to install manufacturer's product and furnish warranty of type specified.

B. Manufacturer Qualifications: Approved manufacturer with roofing systems comparable to those specified for this Project, with minimum five years' experience in manufacture of comparable products in successful use in similar applications, and able to furnish warranty with provisions matching specified requirements.

Roofing Inspector Qualifications: A technical representative of manufacturer not engaged in the sale of products and experienced in the installation and maintenance of the specified roofing system, qualified to perform roofing observation and inspection specified in Field Quality Control Article, to determine

Installer's compliance with the requirements of this Project, and approved by the manufacturer to issue warranty certification. The Roofing Inspector shall be one of the following:

1. An authorized full-time technical employee of the manufacturer.

2. An independent party certified as a Registered Roof Observer by the International Institute of Building Enclosure Consultants (formerly the Roof Consultants Institute) retained by the Contractor or the Manufacturer and approved by the Manufacturer.

D. Manufacturer's Installation Instructions: Obtain and maintain on-site access to manufacturer's written recommendations and instructions for installation of products.

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1.8 DELIVERY, STORAGE, AND HANDLING

A. Deliver roofing materials to Project site in original containers with seals unbroken and labeled with manufacturer's name, product brand name and type, date of manufacture, approval or listing agency markings, and directions for storing and mixing with other components.

B. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by roofing manufacturer.

1. Protect stored liquid material from direct sunlight.

2. Discard and legally dispose of liquid material that cannot be applied within its stated shelf life.

C. Protect roof insulation materials from physical damage and from deterioration by sunlight, moisture, soiling, and other sources.

1. Store in a dry location.

2. Comply with insulation manufacturer's written instructions for handling, storing, and protecting during installation.

D. Handle and store roofing materials and place equipment in a manner to avoid permanent deflection of deck.

1.9 PROJECT / FIELD CONDITIONS

Protect building, adjacent buildings, walkways, site improvements, exterior plantings, and landscaping from damage or soiling from roofing operations.

B. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities.

C. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit roofing system to be installed according to manufacturer's written instructions and warranty requirements.

D. Daily Protection: In accordance with "Hot-Applied Roofing Membrane Installation, General"

Article.

Owner will occupy portions of building immediately below roofing area. Conduct roofing so Owner's operations will not be disrupted. Provide Owner with not less than 72 hours' notice of activities that may affect Owner's operations.

1.10 WARRANTY

A. Manufacturer's Warranty: Roof System Manufacturer's standard form in which Manufacturer agrees to repair or replace components of roofing system that fail in materials or workmanship within warranty period, as follows.

1. Form of Warranty: Manufacturer's standard warranty form.

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2. Scope of Warranty: Work of this Section and including sheet metal details and termination details installed by the roof system Installer and approved by the Roof System

Manufacturer.

3. Warranty Period: 20 years from date of completion.

B. Manufacturer Inspection Services: By manufacturer's technical representative, to report maintenance responsibilities to Owner necessary for preservation of Owner's warranty rights. The cost of manufacturer's inspections is included in the Contract Sum.

1. Inspections to occur in following years: 2, 5, 10 and 15 following completion.

C. Installer Warranty: Installer's warranty signed by Installer, as follows.

1. Form of Warranty: Form acceptable to Roofing Manufacturer and Owner.

2. Scope of Warranty: Work of this Section.

3. Warranty Period: 2 years from date of completion.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Basis of Design: The roof system specified in this Section is based upon products of Tremco CPG

Inc, Beachwood, OH, (800) 562-2728, www.tremcoroofing.com that are named in other Part 2 articles. Provide specified products.

2.2 PERFORMANCE REQUIREMENTS

A. General Performance: Installed membrane roofing and base flashings shall withstand specified uplift pressures, thermally induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Membrane roofing and base flashings shall remain watertight.

1. Accelerated Weathering: Roofing system shall withstand 2000 hours of exposure when tested according to ASTM G152, ASTM G154, or ASTM G155.

2. Impact Resistance: Roof membrane shall resist impact damage when tested according to

ASTM D3746/D3746M, ASTM D4272/D4272M, or the "Resistance to Foot Traffic Test" in FM Approvals 4470.

B. Material Compatibility: Roofing system materials to be compatible with one another and adjacent materials under conditions of service and installation required, as demonstrated by roofing membrane manufacturer based on testing and field experience.

C. Flashings and Fastening: Provide base flashings, perimeter flashings, detail flashings and component materials and installation techniques that comply with requirements and recommendations of the following:

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1. Roofing system manufacturer’s details and recommendations.

2. NRCA Roofing Manual for construction details and recommendations.

3. SMACNA Architectural Sheet Metal Manual for construction details.

Comply with requirements of Division 07 Section "Sheet Metal Flashing and Trim".

Exterior Fire-Test Exposure: ASTM E108 or UL 790, Class A; for application and roof slopes indicated, as determined by testing identical membrane roofing materials by a qualified testing agency. Materials shall be identified with appropriate markings of applicable testing agency.

2.3 MATERIALS, GENERAL

A. Material Compatibility: Roofing materials shall be compatible with one another and adjacent materials under conditions of service and application required, as demonstrated by roof membrane manufacturer based on testing and field experience.

2.4 ROOF MEMBRANE MATERIALS

Base-Ply Sheet:

1. SBS-modified asphalt coated composite polyester/fiberglass/fiberglass mat reinforced high tensile strength base sheet, ASTM D4601 Type II.

a. Basis of design product: Tremco, BURmastic Composite Ply HT.

b. Tensile Strength at 77 deg. F (25 deg. C), minimum, ASTM D5147: Machine direction, 165 lbf/in (725 N); Cross machine direction, 150 lbf/in (660 N).

c. Tear Strength at 77 deg. F (25 deg. C), minimum, ASTM D5147: Machine direction, 260 lbf (1150 N); Cross machine direction, 230 lbf (1120 N).

d. Thickness, minimum, ASTM D5147: 0.060 inch (1.5 mm).

Ply Sheet:

1. Asphalt and glass-fiber roofing ply sheet for hot-applied built-up roofing systems, ASTM

D2178 Type IV.

a. Basis of design product: Tremco, THERMglass Type IV.

b. Net Dry Mass of asphalt impregnated glass felt, ASTM D146: 7.5 lb/100 sq ft (360 g/ sq m).

c. Breaking Strength, ASTM D146: 44 lbf/in (7.70 kN/m).

d. Pliability, 1/2 inch (13 mm), ASTM D146: Pass.

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2.5 BASE FLASHING MATERIALS

A. Elastomeric Flashing Sheet:

1. Flashing Sheet, Thermoset: Elastomeric polyester reinforced sheet with EPDM and SBR elastomers.

a. Basis of design product: Tremco, TRA Elastomeric Sheeting.

b. Breaking Strength, minimum, ASTM D751: Machine direction 350 lbf (1550 N);

Cross machine direction 300 lbf (1330 N).

c. Tear Strength, minimum, ASTM D751: Machine direction 77 lbf (342 N); Cross machine direction 77 lbf (342 N).

d. Elongation at Failure, minimum, ASTM D751: Machine direction 30 percent; Cross-machine direction 35 percent.

e. Low Temperature Flexibility, minimum, ASTM D2136: -40 deg. F (-40 deg. C).

f. Thickness, minimum, ASTM D751: 0.045 inch (1.1 mm).

g. Color: Black.

2.6 HOT-APPLIED ADHESIVE MATERIALS

A. Asphalt Primer:

1. Asphalt primer, low-odor, solvent-based.

a. Basis of design product: Tremco, TREMprime QD Low Odor.

b. Flash Point, minimum, ASTM D3278: 100 deg. F (38 deg. C).

c. Non-Volatile Content, ASTM D1644: 52 percent.

Hot Roofing Asphalt:

1. Hot-melt asphalt adhesive, ASTM D312 Type III.

a. Basis of design product: Tremco, Premium III Adhesive.

b. Softening Point, min/max, ASTM D36: 195 – 205 deg. F (90 – 96 deg. C).

c. Ductility at 77 deg. F (25 deg. C), minimum, ASTM D113: 2.5 cm.

d. Penetration at 77 deg. F (25 deg. C), min/max, ASTM D5: 15–30 dmm.

2. Hot-melt asphalt adhesive, SEBS-modified elastomeric, ASTM D6152.

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a. Basis of design product: Tremco, THERMastic 80 Adhesive.

b. Softening Point, min/max, ASTM D36: 195-205 deg. F (90-95 deg. C).

c. Flash point, minimum, ASTM D92: 525 deg. F (274 deg. C).

d. Low Temperature Flexibility, maximum, ASTM D3111: 18 deg. F (-8 deg. C).

e. Elongation at 77 deg. F (25 deg. C), minimum, ASTM D412: 800 percent.

f. Elastic Recovery, minimum, ASTM D412: 95 percent.

2.7 COLD-APPLIED ADHESIVE MATERIALS

General: Adhesive and sealant materials recommended by roofing manufacturer for intended use and compatible with built-up roofing.

Liquid-type auxiliary materials shall comply with VOC limits of authorities having jurisdiction.

Base Flashing Sheet Adhesive:

1. Bonding and Flashing Adhesive, SEBS/SIS modified asphalt, for elastomeric flashing membranes.

a. Basis of design product: Tremco, Sheeting Bond.

b. VOC, maximum, ASTM D3960: 250 g/L.

c. Adhesion in peel, minimum, ASTM D1876: 3 lbf/in (0.5 N/mm).

d. Lap shear adhesion, minimum, ASTM D816: 18 psi (124 kPa).

e. Color: White.

2.8 AUXILIARY ROOFING MATERIALS

A. General: Auxiliary materials recommended by roofing system manufacturer for intended use and compatible with roofing membrane.

B. Detailing Fabric:

1. Woven Glass Fiber Mesh, Vinyl-Coated: Non-shrinking, non-rotting, vinyl-coated woven glass mesh for reinforcing flashing seams, membrane laps, and other roof system detailing.

a. Basis of design product: Tremco, BURmesh.

b. Tensile strength, 70 deg. F, min ASTM D146: Warp, 65 lbf/in (285 N); fill, 75 lbf/in

(310 N).

c. Color: Aqua green.

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Asphalt Roofing Cement:

1. Roof Cement, Asphalt-Based: ASTM D4586, Type II, Class I, fibrated roof cement formulated for use in installation and repair of asphalt ply and modified bitumen roofing plies and flashings; UL-classified for fire resistance.

a. Basis of design product: Tremco, ELS.

b. Volatile Organic Compounds (VOC), maximum, ASTM D3960: 190 g/L.

c. Non-Volatile Matter, ASTM D4586: 85 percent.

d. Resistance to sag ASTM D4586: 1/8 in. (3 mm).

2. Flashing Adhesive, Solvent-free: Single component, multipurpose elastomeric flashing adhesive and multipurpose roof mastic, specially formulated for use with specified roofing membranes and flashings, moisture curing, low odor.

a. Basis of design product: Tremco, Burmastic Flashing Adhesive MC.

b. Viscosity at 77 deg. F (25 deg. C), ASTM D2916: 260,000 cP (260 Pa*s).

c. Density at 77 deg. F (25 deg. C), ASTM D1475: 8.2 lb/gal (982 kg/m3).

d. Lap Shear Adhesion at 77 deg. F (25 deg. C), minimum, ASTM D146: 77 lbf (104.4

Nm).

e. Volatile Organic Compounds (VOC), maximum, ASTM D3960: 222 g/L.

D. Pitch Pocket Sealer:

1. Pitch Pocket Sealer: Urethane two-component, ASTM C920, Type M, Grade P, Class 12.5, Use O, fast setting, solvent-free, low-odor, formulated for compatibility and use with specified roofing membranes and flashings.

a. Basis of design product: Tremco, TremSEAL Pitch Pocket Sealer.

b. Volatile Organic Compounds (VOC), maximum, ASTM D3960: 0 g/L.

c. Hardness, Shore A, minimum ASTM C661: 40.

E. Stripping Reinforcing Fabric:

Same product as Detailing Fabric.

F. Joint Sealant: Elastomeric joint sealant compatible with roofing materials, with movement capability appropriate for application.

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1. Joint Sealant, Polyurethane: ASTM C920, Type S, Grade NS, Class 50 single-component moisture curing sealant, formulated for compatibility and use in dynamic and static joints;

paintable.

a. Basis of design product: Tremco, TremSEAL Pro.

b. Volatile Organic Compounds (VOC), maximum, ASTM D3960: 40 g/L.

c. Hardness, Shore A, ASTM C661: 40.

d. Adhesion to Concrete, ASTM C794: 35 pli.

e. Tensile Strength, ASTM D412: 350 psi (2410 kPa).

f. Color: Aluminum Stone.

Fasteners: Factory-coated steel fasteners and metal plates complying with corrosion-resistance provisions in FM Approvals 4470, designed for fastening built up roofing components to substrate, tested by manufacturer for required pullout strength, and acceptable to roofing manufacturer.

1. Use fasteners of type listed in manufacturer’s tested assembly for required wind uplift resistance.

Metal Flashing Sheet: Metal flashing sheet is specified in Division 07 Section "Sheet Metal Flashing and

Trim."

I. Metal Termination Bars: Manufacturer's standard, predrilled stainless steel or aluminum bars, approximately 1- by 1/8- inch (25 by 3 mm) thick; with anchors.

J. Roofing Granules: Roofing membrane manufacturer's standard ceramic-coated mineral roofing granules, No. 11 screen size with 100 percent passing.

Miscellaneous Accessories: Provide miscellaneous accessories recommended by built-up roofing manufacturer.

2.9 ROOF INSULATION AND INSULATION ACCESSORIES

A. Roof Insulation, General: Preformed roof insulation boards manufactured or approved by roofing manufacturer, selected from manufacturer's standard sizes suitable for application, of thicknesses indicated.

Tapered Insulation: Provide factory-tapered insulation boards fabricated to slope of 1/8 inch per 12 inches

(1:96) unless otherwise indicated.

Provide preformed saddles, crickets, tapered edge strips, and other insulation shapes where indicated for sloping to drain. Fabricate to slopes indicated, not less than two times the roof slope.

B. Roof Insulation:

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1. Board Insulation, Polyisocyanurate: CFC- and HCFC- free, with recycled content glass-fiber mat facer on both major surfaces, ASTM C1289 Type II Class 1.

a. Basis of design product: Tremco, Trisotech Insulation.

b. Compressive Strength, ASTM D1621: Grade 3: 25 psi (172 kPa).

c. Conditioned Thermal Resistance at…